Development of an Aluminium Doped TiO        <sub >2</sub>2        Nanoparticles‐modified Screen Printed Carbon Electrode for Electrochemical Sensing of Vanillin in Food Samples

Murtada Khaled; Jodeh Shehdeh; Zougagh Mohammed; Ríos ángel

摘要

Abstract > A new chemically modified electrode based on titanium dioxide nanoparticles (TiO <sub>2</sub> ‐NPs) has been developed. Aluminium was incorporated into the TiO <sub>2</sub> ‐NPs to prepare aluminium doped TiO <sub>2</sub> nanoparticles (Al‐TiO <sub>2</sub> ‐NPs). Aluminium doped TiO <sub>2</sub> nanoparticles‐modified screen printed carbon electrode (Al‐TiO <sub>2</sub> ‐NPs/SPCE) was employed as easy, efficient and rapid sensor for electrochemical detection of vanillin in various types of food samples. Al‐TiO <sub>2</sub> ‐NPs were characterized by energy‐dispersive X‐ray (EDX), transmission electron microscopy (TEM), and X‐ray diffraction (XRD) and analyses showing that the average particle sizes varied for the Al‐NPs (7.63?nm) and Al‐TiO <sub>2</sub> ‐NPs (7.47?nm) with spherical crystal. Cyclic voltammetry (CV) and linear sweep voltammetry (LSV) were used to optimize the analytical procedure. A detection limit of vanillin was 0.02?μM, and the relative standard deviation (RSD) was 3.50?%, obtained for a 5.0?μM concentration of vanillin. The electrochemical behaviour of several compounds, such as vanillic acid, vanillic alcohol, p‐hydroxybenzaldehyde and p‐hydroxybenzoic, etc., generally present in natural vanilla samples, were also studied to check the interferences with respect to vanillin voltammetric signal. The applicability was demonstrated by analysing food samples. The obtained results were compared with those provided by a previous method based on liquid chromatography for determination of vanillin. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</标题> >基于二氧化钛纳米颗粒的新化学改性电极（TiO <sub> 2 </ sub > -NPS）已经开发出来。铝被掺入TiO <sub> 2 </ sub> -NP中以制备铝掺杂TiO <sub> 2 </ sub>纳米颗粒（Al-TiO <sub> 2 </ sub> -NP）。铝掺杂TiO <sub> 2 </ sub>纳米粒子改性筛网印刷碳电极（Al-TiO <sub> 2 </ sub> -nps / spce）是用于香草蛋白的电化学检测的简单，有效，快速的传感器各种类型的食物样本。通过能量分散X射线（EDX），透射电子显微镜（TEM）和X射线衍射（XRD）和分析表征Al-TiO <sub> 2-NPS和X射线衍射（XRD），并显示平均粒径变化对于Al-NPS（7.63Ω·Nm）和Al-TiO <sub> 2 </ sub> -nps（7.47Ω·nm），具有球形晶体。循环伏安法（CV）和线性扫描伏安法（LSV）用于优化分析程序。香草蛋白的检测限为0.02≤μm，相对标准偏差（RSD）为3.50μm，得到5.0μm的香草素浓度。还研究了几种化合物的电化学行为，例如香草酸，香草醇，对羟基苯甲醛和对羟基苯甲酸等，通常存在于天然香草样品中，以检查相对于香草蛋白伏安信号的干扰。通过分析食物样品来证明适用性。将得到的结果与基于液相色谱法测定香草蛋白的先前方法提供的结果进行了比较。 </ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-22546/'>《Electroanalysis》</a> <b style="margin: 0 2px;">|</b><span>2018年第5期</span><b style="margin: 0 2px;">|</b><span>共6页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Murtada Khaled&option=202" target="_blank" rel="nofollow">Murtada Khaled;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Jodeh Shehdeh&option=202" target="_blank" rel="nofollow">Jodeh Shehdeh;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zougagh Mohammed&option=202" target="_blank" rel="nofollow">Zougagh Mohammed;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ríos ángel&option=202" target="_blank" rel="nofollow">Ríos ángel;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Department of Analytical Chemistry and Food TechnologyUniversity of Castilla-La Mancha Ciudad Real13071 Spain;</p> <p>Department of ChemistryAn-Najah National UniversityP. O. Box 7 Nablus Palestine;</p> <p>Regional Institute for Applied Chemistry Research (IRICA) Ciudad Real13071 Spain;</p> <p>Department of Analytical Chemistry and Food TechnologyUniversity of Castilla-La Mancha Ciudad Real13071 Spain;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/4817.html" title="电化学、电解、磁化学">电化学、电解、磁化学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Aluminium doped TiO 2 nanoparticles&option=203" rel="nofollow">Aluminium doped TiO 2 nanoparticles;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=screen-printed carbon electrode&option=203" rel="nofollow">screen-printed carbon electrode;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=electrochemical detection&option=203" rel="nofollow">electrochemical detection;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=vanillin&option=203" rel="nofollow">vanillin;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=food samples&option=203" rel="nofollow">food samples;</a> </p> <div class="translation"> 机译：铝掺杂TiO 2纳米粒子;丝网印刷碳电极;电化学检测;香草蛋白;食物样本; </div> </li> </ul> </div> </div> <div class="literature cardcommon" id="literaturereference" style="display:none"> <div class="similarity "> <h3 class="all_title" id="enpatent111">引文网络</h3> <div class="referencetab clearfix"> <ul id="referencedaohang"> <li dataid="referenceul">参考文献</li> <li dataid="citationul">引证文献</li> <li dataid="commonreferenceul">共引文献</li> <li dataid="commoncitationul">同被引文献</li> <li dataid="tworeferenceul">二级参考文献</li> <li dataid="twocitationul">二级引证文献</li> </ul> </div> <div class="reference_details" id="referenceList"> <ul id="referenceul"></ul> <ul id="citationul"></ul> <ul id="commonreferenceul"></ul> <ul id="commoncitationul"></ul> <ul id="tworeferenceul"></ul> <ul id="twocitationul"></ul> </div> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704023175023.html">Development of an Aluminium Doped TiO <sub >2</sub>2 Nanoparticles‐modified Screen Printed Carbon Electrode for 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Development of an Aluminium Doped TiO 22 Nanoparticles‐modified Screen Printed Carbon Electrode for Electrochemical Sensing of Vanillin in Food Samples

摘要

Development of an Aluminium Doped TiO ₂2 Nanoparticles‐modified Screen Printed Carbon Electrode for Electrochemical Sensing of Vanillin in Food Samples